 An article authored by Manos Dramitinos and George D. Stamoulis (AUEB) has been accepted to be published as short paper in the proceedings of the 11th International Conference on Network and Service Management (CNSM 2015). The article describes the Inter-Cloud Communication Traffic Management mechanism (ICC), a novel traffic management mechanism designed in the context of SmartenIT, which performs rate control over the ISP transit link(s) so as to attain a target transit cost reduction. ICC is motivated by the increasing need to manage effectively inter-cloud and back-office Web traffic. It reduces ISP’s transit charge by shaping a considerable portion of his inter-domain traffic, e.g. delay-tolerant inter-cloud traffic, which has been marked by the traffic source, i.e. the business customer of the ISP such as cloud/data center and reducing (resp. increasing) its transmission rate at peak (resp. off-peak) intervals. Real-time traffic is still forwarded a la Best Effort but its delay is improved due to lower bursts. The ICC rate control is done in very small time scales, finer than the 5-min interval and is applicable to both multi- and singlehomed ISPs, benefiting both the ISP and his business customers endorsing ICC. We evaluate numerically ICC by employing real traffic traces. The results reveal that our mechanism can result in significant benefits for the ISP regarding transit charges. |
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